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2026-06-03 - 02:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack6slot0.osadl.org (updated Wed Jun 03, 2026 01:01:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2446499200175,22cyclictest0-21swapper/3222:19:5626
2446499200175,22cyclictest0-21swapper/3222:19:5626
24453992001,4cyclictest2461-21CPU16
24453992001,4cyclictest2461-21CPU16
24453992001,4cyclictest2461-21CPU16
2446499194188,4cyclictest0-21swapper/3221:38:5426
2446499194188,4cyclictest0-21swapper/3221:38:5426
244269919412,178cyclictest0-21swapper/120:25:191
244269919412,178cyclictest0-21swapper/120:25:181
2447199192176,11cyclictest0-21swapper/3900:16:4033
2447199192176,11cyclictest0-21swapper/3900:16:3933
24466991901,98cyclictest0-21swapper/3423:00:1528
24466991901,98cyclictest0-21swapper/3423:00:1528
24466991901,98cyclictest0-21swapper/3423:00:1528
2445099190176,11cyclictest0-21swapper/2023:06:5213
2445099190176,11cyclictest0-21swapper/2023:06:5213
2442599189157,29cyclictest0-21swapper/023:26:390
2442599189157,29cyclictest0-21swapper/023:26:390
2446699187162,22cyclictest0-21swapper/3400:02:2728
2446699187162,22cyclictest0-21swapper/3400:02:2628
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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